Birkenstock Gizeh Black Birko-Flor is an addictive classic with signature support and a refined, minimalist style. Made in Germany Birko-Flor – durable, synthetic upper material with leather-like finish and soft backing Contoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and roomy toe box; lined with suede Lightweight EVA sole for cushioning and shock absorption Avoid extreme heat Birko-Flor is made of easy-to-care-for and hygienic PVC, which has been lined on the inside with a soft, breathable layer of fleece. This high-quality material is very gentle on the skin, and it's comfortable while also being very durable.